coolant problem when a/c is on full blast

[ChokoFlan]

HEY GUYS WUTS UP?? IM NEW TO THIS SITE SO I REALLY DONT KNOW HOW TO WORK IT MUCH BUT ILL LEARN SOONER OR LATER LOL!! I NEED HELP ON SOME COOLING PROBLEM ON MY 02 MUSTANG GT; EVERYTHING IS FINE, BUT WHEN IT GETS TO PUTTING THE A/C ON FULL BLAST IT OVER HEATS AND LOOSES ALL THE COOLANT BUT DOESNT DRIP FROM THE BOTTOM! I DO NOT KNOW WHERE GOES!! DOES ANY ONE KNOW WHATS WRONG?

 

[wmburns]

Confirm that the engine cooling fan works on BOTH speeds.

Consider performing a coolant pressure test.

Check the AC drain through the firewall. If the heater core is leaking, usually it will drain there.

 

[Lugnuts]

sounds like a significant fluid loss. This should manifest itself. fill it and duplicate in the driveway - you should be able to find the leak.